Posture support device



FIG. 1 is an isometric view of the posture support device shown in condition of use;

FIG. 2 is a front view of the posture support device as shown in FIG. 1;

FIG. 3 is a back view of the posture support device as shown in FIG. 1; and,

FIG. 4 is a left side view of the posture support device as shown in FIG. 1.

It is understood that the broken lines within the claimed design indicates stitch lines, which form part of the claim. 

CLAIM The ornamental design for a posture support device, as shown and described. 